/**
 * Copy text to clipboard with fallback for restricted contexts (e.g. Chrome
 * DevTools panels where the Clipboard API is blocked by permissions policy).
 * Shows a brief "Copied!" toast on success.
 */
export declare function copyToClipboard(text: string): void;
/**
 * Check if the devtools overlay currently has keyboard focus.
 * The devtools renders inside a Shadow DOM under #concave-devtools-host.
 * When any element inside the shadow is focused, document.activeElement
 * returns the shadow host element.
 */
export declare function isDevToolsFocused(): boolean;
/**
 * Returns the currently focused element inside the devtools shadow DOM,
 * or null if nothing inside the devtools is focused.
 * Use this instead of document.activeElement when comparing against refs
 * to elements inside the shadow tree.
 */
export declare function getDevToolsActiveElement(): Element | null;
export declare function unwrapArgs<T>(args: T): T;
export type InlinePreviewOptions = {
    maxStringLength?: number;
    stringTailLength?: number;
    maxArrayItems?: number;
    maxObjectEntries?: number;
    maxDepth?: number;
};
export declare function formatInlinePreview(value: any, options?: InlinePreviewOptions, depth?: number): string;
export declare function formatJsonSnippet(value: any, maxLength?: number): string;